He was sleeping late when it arrived

He was sleeping late when it arrived he was sleeping when it arrived改为一般疑问句 the sleeping late the boy car arrived when was 连词成句 I was sleeping when the UFO arrived it was 6 when he arrived home改为疑问句 It was snowing when he arrived at the construction site. when he arrived in new york ,it was rainning? he were sleeping when the UFO arrived.为什么用were The time when I arrived was late at night. 英语按要求改写句子when I arrived in Beijing,it was very late（改为同义句,两个 IT was snowing when he arrived at the station是什么从句 it was not yet eight o'clock when he arrived home